Q. Consider the following statements regarding the evolution of the Himalayan rivers:- The Shiwalik or Indo-Brahma River traversed the entire longitudinal extent of the Himalaya from Assam to Punjab and onwards to Sind during the Pleistocene period.
- It dismembered into three main drainage systems during the Miocene period.
Which of the above statements is / are correct?
Answer:
None of the above
Notes: Geological studies indicate that the Shiwalik or Indo-Brahma River flowed along the entire Himalayan stretch during the Miocene period, not the Pleistocene. Its division into the Indus, Ganga, and Brahmaputra drainage systems happened as a result of tectonic upheavals mainly during the Pleistocene, not the Miocene. Thus, both statements are incorrect.